/*
* Copyright 2000-2016 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.openapi.wm.impl;
import com.intellij.ide.ui.UISettings;
import com.intellij.openapi.wm.ToolWindowAnchor;
import com.intellij.ui.Gray;
import com.intellij.util.ui.JBUI;
import com.intellij.util.ui.UIUtil;
import javax.swing.*;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.basic.BasicGraphicsUtils;
import javax.swing.plaf.metal.MetalToggleButtonUI;
import java.awt.*;
import java.awt.geom.AffineTransform;
/**
* @author Vladimir Kondratyev
*/
public final class StripeButtonUI extends MetalToggleButtonUI{
private static final StripeButtonUI ourInstance=new StripeButtonUI();
private static final Rectangle ourIconRect=new Rectangle();
private static final Rectangle ourTextRect=new Rectangle();
private static final Rectangle ourViewRect=new Rectangle();
private static Insets ourViewInsets = JBUI.emptyInsets();
private StripeButtonUI(){}
/** Invoked by reflection */
@SuppressWarnings({"MethodOverridesStaticMethodOfSuperclass", "unused"})
public static ComponentUI createUI(final JComponent c){
return ourInstance;
}
public Dimension getPreferredSize(final JComponent c){
final AnchoredButton button=(AnchoredButton)c;
final Dimension dim=super.getPreferredSize(button);
dim.width=(int)(JBUI.scale(4) + dim.width*1.1f);
dim.height+= JBUI.scale(2);
final ToolWindowAnchor anchor=button.getAnchor();
if(ToolWindowAnchor.LEFT==anchor||ToolWindowAnchor.RIGHT==anchor){
//noinspection SuspiciousNameCombination
return new Dimension(dim.height,dim.width);
} else{
return dim;
}
}
public void paint(final Graphics g,final JComponent c){
final AnchoredButton button=(AnchoredButton)c;
final String text=button.getText();
final Icon icon=(button.isEnabled()) ? button.getIcon() : button.getDisabledIcon();
if((icon==null)&&(text==null)){
return;
}
final FontMetrics fm=button.getFontMetrics(button.getFont());
ourViewInsets=c.getInsets(ourViewInsets);
ourViewRect.x=ourViewInsets.left;
ourViewRect.y=ourViewInsets.top;
final ToolWindowAnchor anchor=button.getAnchor();
// Use inverted height & width
if(ToolWindowAnchor.RIGHT==anchor||ToolWindowAnchor.LEFT==anchor){
ourViewRect.height=c.getWidth()-(ourViewInsets.left+ourViewInsets.right);
ourViewRect.width=c.getHeight()-(ourViewInsets.top+ourViewInsets.bottom);
} else{
ourViewRect.height=c.getHeight()-(ourViewInsets.left+ourViewInsets.right);
ourViewRect.width=c.getWidth()-(ourViewInsets.top+ourViewInsets.bottom);
}
ourIconRect.x=ourIconRect.y=ourIconRect.width=ourIconRect.height=0;
ourTextRect.x=ourTextRect.y=ourTextRect.width=ourTextRect.height=0;
final String clippedText=SwingUtilities.layoutCompoundLabel(
c,fm,text,icon,
button.getVerticalAlignment(),button.getHorizontalAlignment(),
button.getVerticalTextPosition(),button.getHorizontalTextPosition(),
ourViewRect,ourIconRect,ourTextRect,
button.getText()==null ? 0 : button.getIconTextGap()
);
// Paint button's background
final Graphics2D g2 = (Graphics2D)g.create();
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON);
g2.setRenderingHint(RenderingHints.KEY_RENDERING,RenderingHints.VALUE_RENDER_QUALITY);
final ButtonModel model=button.getModel();
final Color background = button.getBackground();
ourIconRect.x -= JBUI.scale(2);
ourTextRect.x -= JBUI.scale(2);
final int off = 1;
if (model.isArmed() && model.isPressed() || model.isSelected() || model.isRollover()) {
if (anchor == ToolWindowAnchor.LEFT) g2.translate(-off, 0);
if (anchor.isHorizontal()) g2.translate(0, -off);
final boolean dark = UIUtil.isUnderDarcula();
g2.setColor(dark ? Gray._15.withAlpha(model.isSelected() ? 85: 40) : Gray._85.withAlpha(model.isSelected()? 85: 40));
g2.fillRect(0, 0, button.getWidth(), button.getHeight());
if (anchor == ToolWindowAnchor.LEFT) g2.translate(off, 0);
if (anchor.isHorizontal()) g2.translate(0, off);
}
AffineTransform tr=null;
if(ToolWindowAnchor.RIGHT==anchor||ToolWindowAnchor.LEFT==anchor){
tr=g2.getTransform();
if(ToolWindowAnchor.RIGHT==anchor){
if(icon != null){ // do not rotate icon
//noinspection SuspiciousNameCombination
icon.paintIcon(c, g2, ourIconRect.y, ourIconRect.x);
}
g2.rotate(Math.PI/2);
g2.translate(0,-c.getWidth());
} else {
if(icon != null){ // do not rotate icon
//noinspection SuspiciousNameCombination
icon.paintIcon(c, g2, ourIconRect.y, c.getHeight() - ourIconRect.x - icon.getIconHeight());
}
g2.rotate(-Math.PI/2);
g2.translate(-c.getHeight(),0);
}
}
else{
if(icon!=null){
icon.paintIcon(c,g2,ourIconRect.x,ourIconRect.y);
}
}
// paint text
UISettings.setupAntialiasing(g2);
if(text!=null){
if(model.isEnabled()){
if(model.isArmed()&&model.isPressed()||model.isSelected()){
g2.setColor(background);
} else{
g2.setColor(button.getForeground());
}
} else{
g2.setColor(background.darker());
}
/* Draw the Text */
if(model.isEnabled()){
/* paint the text normally */
g2.setColor(UIUtil.isUnderDarcula() && model.isSelected() ? button.getForeground().brighter() : button.getForeground());
BasicGraphicsUtils.drawString(g2,clippedText,button.getMnemonic2(),ourTextRect.x,ourTextRect.y+fm.getAscent());
} else{
/* paint the text disabled ***/
if(model.isSelected()){
g2.setColor(c.getBackground());
} else{
g2.setColor(getDisabledTextColor());
}
BasicGraphicsUtils.drawString(g2,clippedText,button.getMnemonic2(),ourTextRect.x,ourTextRect.y+fm.getAscent());
}
}
if(ToolWindowAnchor.RIGHT==anchor||ToolWindowAnchor.LEFT==anchor){
g2.setTransform(tr);
}
g2.dispose();
}
}